AU/SG triage: 24 opens closed with national-line reasons

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+# Australia / Singapore triage (24 opens closed)
+
+National-line pattern (cf. SA 1987 expiation scored nationally): state and
+territory reforms are triaged against the national chain.
+
+## Australia (10)
+
+- 1899 WA poison schedule: single-colony sales regulation; scored national
+  first ban sits with 1926.
+- 1967 Narcotic Drugs Act: federal licensing machinery; no band movement.
+- 1992 ACT fines, 1996 NT notices, 2000 NSW cautions, 2004 WA notices:
+  second-jurisdiction (or trial) expiation within the 19 state; scored line
+  moves with SA 1987.
+- 2011 WA repeal: single-state repeal; other states' schemes keep the
+  national line at 19.
+- 2020 ACT legalise: territory-only reform under continuing federal
+  prohibition; national line cannot carry it.
+- 2026 QLD driving penalties: subnational driving change; no general band.
+- 2026 NSW medical driving: patient-group defence in one state; no general
+  band.
+
+## Singapore (14)
+
+- 1951 ordinance: authorisation regime within the tracked state; scored
+  tightening sits with the 1973 Act.
+- 1971 CNB: agency creation; scored with the 1973 Act.
+- 1973 Single Convention: accession months ahead of the July MDA; scored
+  with the Act.
+- 1975 death penalty: opiates-only thresholds; cannabis covered in 1990
+  (existing reviewed entry).
+- 1975 protocol, 1997 1988-convention: treaty accessions; no domestic band
+  change.
+- 1977 Ferret: operation within the maximal state.
+- 1993 mixture: loophole closed within the maximal state.
+- 1998 overseas consumption: extended jurisdiction; bands at floor.
+- 2013 discretion: courier clemency carve-out; no user-band movement.
+- 2019 medicine: single exceptional approval; no programme change.
+- 2023 possession penalties: higher maxima within the maximal band.
+- 2023/2026 executions: individual applications of the standing capital
+  regime; no law change.
+
+Chains au/sg 0 flagged; history:test 40/40.